Table 3.

The results of multivariate logistic regression analysis of each index

Variable	β	SE	Wald χ2 value	P value	OR value	95% CI
SPO2	− 0.613	0.288	4.533	0.033	0.542	0.308–0.952
Age	0.140	0.085	2.667	0.102	1.150	0.972–1.360
Hypertension	− 0.328	1.617	0.041	0.839	0.720	0.030–17.126
Dyspnea	0.372	1.676	0.049	0.824	1.450	0.54–38.706
Leukocyte count	0.665	0.315	4.465	0.035	1.944	1.049–3.601
Lymphocyte count	0.619	1.459	0.180	0.672	1.857	0.106–32.440
Hemoglobin	− 0.069	0.039	3.233	0.072	0.933	0.865–1.006
Lactate dehydrogenase	0.005	0.006	0.523	0.469	1.005	0.992–1.017
Urea nitrogen	0.081	0.275	0.086	0.769	1.084	0.633–1.857
Creatinine	0.060	0.036	2.837	0.092	1.062	0.990–1.139
d-dimer	− 0.043	0.183	0.054	0.816	0.958	0.670–1.371
Antithrombin III activity	0.072	0.083	0.763	0.383	1.075	0.914–1.265
Albumin	− 0.007	0.010	0.576	0.448	0.993	0.974–1.012
PT	0.022	0.072	0.095	0.758	1.022	0.888–1.177
Constant	4.580	29009.071	0.000	1.000	97.523

β regression coefficients, SE standard error, OR odds ratio, CI confidence interval